NABCEP PV Installation Professional (PVIP) Board Certification : PVIP

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NABCEP PVIP Exam Syllabus Topics:

NABCEP PV Installation Professional (PVIP) Board Certification Sample Questions:

1. Insulation resistance testing is being performed on the conductors of a 3-year-old PV system. With a constant high test voltage being applied to a dc conductor, the test results in a high resistance reading. Which does this finding indicate?

A) Soling of modules has reduced the efficiency of the system.
B) Wiring insulation has degraded and is resulting in leakage.
C) The conductor insulation is functioning as intended.
D) Typical module degradation has lowered the output of the system's strings.

2. A technician has been called to a scale due to a low-performing array. The technician will perform tests in the
24-source circuit combiner box. After putting on the correct PPE and turning off and performing lock.tagout of the inverted and combiner disconnect. Which is the next step to safely begin electrical testing in the combiner box?

A) Open all fuse holders in the combiner box.
B) Test for current on each source circuit coming into the combiner box.
C) Remove any surge suppression devices from the circuits.
D) Test for voltage on the positive out

3. Aerial lifts used to hoist equipment and PV modules to roof levels may be field modified for uses other than those intended by the manufacturer with which approval or certification?

A) Approval by the local AHJ for meeting safely regulations
B) Certified via the state material handling safely statutes
C) Tested and approval by the distributor of the equipment
D) Certified in writing by the manufacturer or an NRTL

4. A system's specific yield is 1500 kWh/kW. If the array is 8 kW, what is the annual output?

A) 10,000 kWh
B) 16,000 kWh
C) 14,000 kWh
D) 12,000 kWh

5. A grid-tied PV system uses a transformerless inverter with a maximum DC input of 1000V. The array consists of 20 modules, each with a Voc of 45V. What is the NEC 690.7 correction factor for a low temperature of -15° C if the temperature coefficient is -0.30%/°C?

A) 1.18
B) 1.15
C) 1.12
D) 1.21

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